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A comment on In Hilbert space, all things are quantumly possible. Parent comment

Re:In Hilbert space, all things are quantumly possible by _heimdall on Wednesday October 21, 2026 @07:40AM (#50179243)
Aren't the laws of physics based on repeated observations that continue to show, for example, that we always see energy being conserved?

I'm not sure we can extrapolate that out and say that can never be violated, only that we've never seen it happen.

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Re:In Hilbert space, all things are quantumly possible by brummm on Wednesday October 21, 2026 @10:42AM (#50181871)
Energy is not always conserved. In the universe as a whole, energy is not conserved because we do not have time symmetry.
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Re:In Hilbert space, all things are quantumly possible by _heimdall on Wednesday October 21, 2026 @08:38PM (#50189585)
Sure, that could be a reason why it isn't conserved. My point wasn't that we know ways it isn't conserved, only that theoretical understanding isn't universal or necessarily true.
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